Inventor · disambiguated record
Chao Duan
Also filed as: DUAN CHAO
63 granted patents·22 pending applications·568 citations·filing 2004–2023
99Inventor score
Files withSHENZHEN FUTAIHONG PREC IND CO29DUAN CHAO27FIH CO LTD11WU KE-LONG5ALIBABA GROUP HOLDING LTD2
Top patents by PatentIndex Score
85 records- 0197US8243432B2Support mechanism for portable electronic deviceDUAN CHAO·Filed 2010·Granted Aug 14, 2012·76 cites·20 claims
- 0293US8432677B2Hinge assembly for foldable electronic deviceDUAN CHAO·Filed 2010·Granted Apr 30, 2013·22 cites·10 claims
- 0393US8270175B2Chip card holder for portable electronic deviceDUAN CHAO·Filed 2010·Granted Sep 18, 2012·24 cites·19 claims
- 0490US8240007B2Hinge assembly for foldable electronic deviceDUAN CHAO·Filed 2009·Granted Aug 14, 2012·19 cites·12 claims
- 0590USD654468SMobile phoneDUAN CHAO·Filed 2011·Granted Feb 21, 2012·45 cites·1 claims
- 0689US11757703B1Access requests processing and failover handling across multiple fault tolerance zonesAMAZON TECH INC·Filed 2022·Granted Sep 12, 2023·4 cites·20 claims
- 0789US8245354B2Hinge assembly for foldable electronic deviceDUAN CHAO·Filed 2009·Granted Aug 21, 2012·16 cites·13 claims
- 0889US7353568B2Hinge assembly for foldable electronic deviceSHENZHEN FUTAIHONG PREC IND CO·Filed 2005·Granted Apr 8, 2008·18 cites·18 claims
- 0988US8370994B2Automatically opening hinge assembly for portable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2010·Granted Feb 12, 2013·11 cites·13 claims
- 1088US7565717B2Hinge assemblySHENZHEN FUTAIHONG PREC IND CO·Filed 2006·Granted Jul 28, 2009·20 cites·17 claims
- 1187US7383616B2Hinge assembly for portable electronic deviceSHENZHEN FUTAIHONG PREC IND CO·Filed 2005·Granted Jun 10, 2008·17 cites·20 claims
- 1286US7913356B2Hinge assembly for foldable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2008·Granted Mar 29, 2011·11 cites·14 claims
- 1385US7552512B2Hinge assembly for a foldable electronic deviceSHENZHEN FUTAIHONG PREC IND CO·Filed 2006·Granted Jun 30, 2009·11 cites·19 claims
- 1484US7100239B2Hinge assemblyFIH CO LTD·Filed 2004·Granted Sep 5, 2006·31 cites·16 claims
- 1583US8621714B2Hinge assembly for foldable electronic deviceDUAN CHAO·Filed 2012·Granted Jan 7, 2014·7 cites·5 claims
- 1683US7913359B2Automatically opening hinge assembly for portable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2008·Granted Mar 29, 2011·13 cites·17 claims
- 1782US7725987B2Hinge assembly for a foldable electronic deviceSHENZHEN FUTAIHONG PREC IND CO·Filed 2006·Granted Jun 1, 2010·8 cites·17 claims
- 1882US7578030B2Hinge mechanism for foldable electronic deviceSHENZHEN FUTAIHONG PREC IND CO·Filed 2006·Granted Aug 25, 2009·12 cites·16 claims
- 1981US8493725B2Sliding module for electronic deviceWU KE-LONG·Filed 2011·Granted Jul 23, 2013·7 cites·15 claims
- 2081US7926146B2Hinge assembly for foldable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2008·Granted Apr 19, 2011·7 cites·10 claims
- 2180US7117563B2Hinge assembly for foldable electronic deviceSUTECH TRADING LTD·Filed 2004·Granted Oct 10, 2006·29 cites·20 claims
- 2279US7561687B2Hinge assembly for a foldable electronic deviceSHENZHEN FUTAIHONG PREC IND CO·Filed 2006·Granted Jul 14, 2009·6 cites·14 claims
- 2379US7513010B2Automatic opening hinge assembly for portable electronic deviceSHENZHEN FUTAIHONG PREC IND CO·Filed 2006·Granted Apr 7, 2009·12 cites·17 claims
- 2478US7124472B2Hinge mechanism with single hand operationFIH CO LTD·Filed 2004·Granted Oct 24, 2006·21 cites·21 claims
- 2577US8099833B2Washer for hinge assemblyDUAN CHAO·Filed 2009·Granted Jan 24, 2012·10 cites·2 claims
- 2676US7665184B2Hinge assembly with rolling meansSHENZHEN FUTAIHONG PREC IND CO·Filed 2005·Granted Feb 23, 2010·5 cites·18 claims
- 2776US7647674B2Automatically opening hinge assembly for portable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2006·Granted Jan 19, 2010·5 cites·17 claims
- 2876US7627930B2Automatically opening hinge assembly for portable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2006·Granted Dec 8, 2009·9 cites·19 claims
- 2975US8164890B2Sliding and tilting mechanism and portable electronic device using the sameWU KE-LONG·Filed 2010·Granted Apr 24, 2012·5 cites·16 claims
- 3074US10719602B2Method and device for realizing session identifier synchronizationALIBABA GROUP HOLDING LTD·Filed 2018·Granted Jul 21, 2020·2 cites·15 claims
- 3174US8625268B2Sliding module for electronic deviceDUAN CHAO·Filed 2011·Granted Jan 7, 2014·3 cites·15 claims
- 3273US8453299B2Connecting module and sliding mechanism for electronic deviceLI JIAN-WEI·Filed 2011·Granted Jun 4, 2013·5 cites·9 claims
- 3373US8164889B2Sliding and tilting mechanism and portable electronic device using the sameDUAN CHAO·Filed 2010·Granted Apr 24, 2012·4 cites·13 claims
- 3472US7404235B2Hinge assembly for portable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2005·Granted Jul 29, 2008·9 cites·14 claims
- 3571US8383936B2Grounding mechanism for slide-type electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2010·Granted Feb 26, 2013·2 cites·2 claims
- 3671US7237304B2Hinge assembly for foldable electronic deviceSUTECH TRADING LTD·Filed 2004·Granted Jul 3, 2007·20 cites·20 claims
- 3769US8797730B2Sliding module for electronic deviceDUAN CHAO·Filed 2011·Granted Aug 5, 2014·2 cites·9 claims
- 3869US8625267B2Button activated spring-loaded hinge assemblyDUAN CHAO·Filed 2010·Granted Jan 7, 2014·2 cites·15 claims
- 3969US8547700B2Sliding module for electronic deviceDUAN CHAO·Filed 2011·Granted Oct 1, 2013·2 cites·12 claims
- 4069US7565718B2Automatic opening hinge assembly for portable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2006·Granted Jul 28, 2009·5 cites·20 claims
- 4168US9412532B2Portable power sourceSHENZHEN FUTAIHONG PREC IND CO·Filed 2014·Granted Aug 9, 2016·3 cites·11 claims
- 4268US8208254B2Slide mechanism for slide-type portable electronic deviceDUAN CHAO·Filed 2010·Granted Jun 26, 2012·2 cites·10 claims
- 4362US8549709B2Button activated spring-loaded hinge assemblyLuo yi-de·Filed 2011·Granted Oct 8, 2013·4 cites·9 claims
- 4462US8462492B2Sliding module for electronic deviceWU KE-LONG·Filed 2011·Granted Jun 11, 2013·1 cites·12 claims
- 4562US8341805B2Hinge assembly for foldable electronic deviceSHENZHEN FUTAIHONG PREC IND CO·Filed 2010·Granted Jan 1, 2013·1 cites·14 claims
- 4660US2010071158A1Hinge assembly for foldable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2009·Application pending·0 cites
- 4759US8402607B2Hinge assembly for foldable electronic deviceDUAN CHAO·Filed 2010·Granted Mar 26, 2013·1 cites·18 claims
- 4857US8593794B2Hinge assembly for foldable electronic deviceSHAO MIN·Filed 2010·Granted Nov 26, 2013·1 cites·14 claims
- 4957US2009009934A1Hinge assembly for foldable electronic devicesSHENZHEN FUTAIHONG PREC IND CO·Filed 2007·Application pending·0 cites
- 5055US2019073671A1Payment authentication method, apparatus and system for onboard terminalALIBABA GROUP HOLDING LTD·Filed 2018·Application pending·0 cites
Showing the top 50 of 85 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →